FloatingPoint< RawType > Class Template Reference

#include <FloatingPointComparision.hpp>

Classes
union	FloatingPointUnion

Public Types
typedef TypeWithSize< sizeof(RawType)>::UInt	Bits

Public Member Functions
bool	AlmostEquals (const FloatingPoint &rhs) const
const Bits &	bits () const
Bits	exponent_bits () const
	FloatingPoint (const RawType &x)
Bits	fraction_bits () const
bool	is_nan () const
Bits	sign_bit () const

Static Public Member Functions
static RawType	Infinity ()
static RawType	Max ()
static RawType	ReinterpretBits (const Bits bits)

Static Public Attributes
static const size_t	kBitCount = 8*sizeof(RawType)
static const size_t	kExponentBitCount = kBitCount - 1 - kFractionBitCount
static const Bits	kExponentBitMask = ~(kSignBitMask | kFractionBitMask)
static const size_t	kFractionBitCount
static const Bits	kFractionBitMask
static const size_t	kMaxUlps = 4
static const Bits	kSignBitMask = static_cast<Bits>(1) << (kBitCount - 1)

Static Private Member Functions
static Bits	DistanceBetweenSignAndMagnitudeNumbers (const Bits &sam1, const Bits &sam2)
static Bits	SignAndMagnitudeToBiased (const Bits &sam)

Private Attributes
FloatingPointUnion	u_

Detailed Description

template<typename RawType>
class FloatingPoint< RawType >

Definition at line 105 of file FloatingPointComparision.hpp.

Member Typedef Documentation

template<typename RawType >

typedef TypeWithSize<sizeof(RawType)>::UInt FloatingPoint< RawType >::Bits

Definition at line 109 of file FloatingPointComparision.hpp.

Constructor & Destructor Documentation

template<typename RawType >

FloatingPoint< RawType >::FloatingPoint ( const RawType &  x )

inlineexplicit

Definition at line 153 of file FloatingPointComparision.hpp.

Member Function Documentation

template<typename RawType >

bool FloatingPoint< RawType >::AlmostEquals ( const FloatingPoint< RawType > &  rhs ) const

inline

Definition at line 201 of file FloatingPointComparision.hpp.

template<typename RawType >

const Bits& FloatingPoint< RawType >::bits ( ) const

inline

Definition at line 177 of file FloatingPointComparision.hpp.

template<typename RawType >

static Bits FloatingPoint< RawType >::DistanceBetweenSignAndMagnitudeNumbers ( const Bits &  sam1, const Bits &  sam2  )

inlinestaticprivate

Definition at line 244 of file FloatingPointComparision.hpp.

template<typename RawType >

Bits FloatingPoint< RawType >::exponent_bits ( ) const

inline

Definition at line 180 of file FloatingPointComparision.hpp.

template<typename RawType >

Bits FloatingPoint< RawType >::fraction_bits ( ) const

inline

Definition at line 183 of file FloatingPointComparision.hpp.

template<typename RawType >

static RawType FloatingPoint< RawType >::Infinity ( )

inlinestatic

Definition at line 167 of file FloatingPointComparision.hpp.

template<typename RawType >

bool FloatingPoint< RawType >::is_nan ( ) const

inline

Definition at line 189 of file FloatingPointComparision.hpp.

template<typename RawType >

static RawType FloatingPoint< RawType >::Max ( )

static

template<typename RawType >

static RawType FloatingPoint< RawType >::ReinterpretBits ( const Bits  bits )

inlinestatic

Definition at line 160 of file FloatingPointComparision.hpp.

template<typename RawType >

Bits FloatingPoint< RawType >::sign_bit ( ) const

inline

Definition at line 186 of file FloatingPointComparision.hpp.

template<typename RawType >

static Bits FloatingPoint< RawType >::SignAndMagnitudeToBiased ( const Bits &  sam )

inlinestaticprivate

Definition at line 232 of file FloatingPointComparision.hpp.

Member Data Documentation

template<typename RawType >

const size_t FloatingPoint< RawType >::kBitCount = 8*sizeof(RawType)

static

Definition at line 114 of file FloatingPointComparision.hpp.

template<typename RawType >

const size_t FloatingPoint< RawType >::kExponentBitCount = kBitCount - 1 - kFractionBitCount

static

Definition at line 121 of file FloatingPointComparision.hpp.

template<typename RawType >

const Bits FloatingPoint< RawType >::kExponentBitMask = ~(kSignBitMask | kFractionBitMask)

static

Definition at line 131 of file FloatingPointComparision.hpp.

template<typename RawType >

const size_t FloatingPoint< RawType >::kFractionBitCount

static

Initial value:

=
    std::numeric_limits<RawType>::digits - 1

Definition at line 117 of file FloatingPointComparision.hpp.

template<typename RawType >

const Bits FloatingPoint< RawType >::kFractionBitMask

static

Initial value:

=
    ~static_cast<Bits>(0) >> (kExponentBitCount + 1)

Definition at line 127 of file FloatingPointComparision.hpp.

template<typename RawType >

const size_t FloatingPoint< RawType >::kMaxUlps = 4

static

Definition at line 145 of file FloatingPointComparision.hpp.

template<typename RawType >

const Bits FloatingPoint< RawType >::kSignBitMask = static_cast<Bits>(1) << (kBitCount - 1)

static

Definition at line 124 of file FloatingPointComparision.hpp.

template<typename RawType >

FloatingPointUnion FloatingPoint< RawType >::u_

private

Definition at line 251 of file FloatingPointComparision.hpp.

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The documentation for this class was generated from the following file:

• FloatingPointComparision.hpp